//  StringMutation.java    Author: Lewis/Loftus
//
//  Demonstrates the use of the String class and its method.
//***************************************************************
 
public class  StringMutation
{
  //-------------------------------------------------------------
  // Prints a string and various mutations of it.
  //-------------------------------------------------------------
  public static void main(String[] args)
  {
    String phrase = "Change is inevitable";
    String mutation1, mutation2, mutation3, mutation4;
    
    System.out.println("Original string: \"" + phrase + "\"");
    System.out.println("Length of string: " + phrase.length());
   
    mutation1 = phrase.concat(", except from vending machines.");
    mutation2 = mutation1.toUpperCase();
    mutation3 = mutation2.replace('E', 'X');
    mutation4 = mutation3.substring(3, 30);
   
    // Print each mutated string
    System.out.println("Mutation #1: " + mutation1);
    System.out.println("Mutation #2: " + mutation2);
    System.out.println("Mutation #3: " + mutation3);
    System.out.println("Mutation #4: " + mutation4);
    System.out.println("Mutated length: " + mutation4.length());
  }
}

